LEGO Orrery Earth, Moon, and Sun

LEGO Orrery

Jason Allemann of JK Brickworks used LEGO to create a accurate orrery that depicts the relative rotations of the orbits of the Earth, Moon, and Sun.

Allemann has also posted building instructions for anyone looking to replicate the orrery.

A LEGO Orrery featuring the Earth, Moon and Sun. I tried to focus on making the rotation and movements as accurate as possible without making it too complex. It can be powered manually using the crank, or with a Power Functions M-Motor.

The relative sizes and distances between the objects is obviously not to scale, a concession often taken with these models. It’s also missing the tilt of the Earth and inclination of the Moon’s orbit. Perhaps some things that could be added in the future.

via Technabob

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